Figure 7.3:

Hyperbolic trigonometric functions sinh, cosh, tanh.

Code for Figure 7.3

main.m

% Copyright (C) 2001, James B. Rawlings and John G. Ekerdt%% This program is free software; you can redistribute it and/or% modify it under the terms of the GNU General Public License as% published by the Free Software Foundation; either version 2, or (at% your option) any later version.%% This program is distributed in the hope that it will be useful, but% WITHOUT ANY WARRANTY; without even the implied warranty of% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU% General Public License for more details.%% You should have received a copy of the GNU General Public License% along with this program; see the file COPYING. If not, write to% the Free Software Foundation, 59 Temple Place - Suite 330, Boston,% MA 02111-1307, USA.npts=100;x=linspace(-2,2,npts)';y=[sinh(x),cosh(x),tanh(x)];table=[x,y];save-asciihyperbolic.dattable;if(~strcmp(getenv('OMIT_PLOTS'),'true'))% PLOTTINGplot(x,y)% TITLEend% PLOTTING